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公开(公告)号：US1597028A
公开(公告)日：1926-08-24
申请号：US55609022
申请日：1922-04-22
Applicant: VARIETY FIRE DOOR CO
Inventor： EMIL FEIDT , CROSS WILLIAM A , GERVAIS WAINWRIGHT B
IPC: E05F13/00
CPC classification number: E05D13/1261 , E05Y2201/618 , E05Y2201/654 , E05Y2201/664 , E05Y2900/106 , Y10S16/31
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